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Old 07-28-2018, 09:12 PM   #8
gustafson
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Join Date: Oct 2017
Posts: 128
Default Re: Engine Vibration

we have 100 psi on a Snyder 5.5 on a brand new motor here....I would investigate.
65 is closer to stock 4.2 head.
Sure it is a 5.5?
stock and snyders are not marked.....
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